PowerEdge R450

Dust or chemical contamination at the endface of a fiber optic LC connector or transceiver module impedes signaling. Dell engineering teams have verified cases in which a fully functional port appears to be a bad port because dirty optical connectors manifest as a port failing loop testing with acceptable power measurement levels. Cable connectors should be cleaned and when stored must be protected from dust particle or chemical contamination.

This article provides a step-by-step guide on how to remove and install a cooling fan on a Dell system. These instructions are applicable to both standard and high-performance fans. The guide covers the removal and installation of the cooling fan assembly.

Various Dell enterprise products behave unexpectedly if IPMI is intentionally disabled from communicating between the operating system and iDRAC. This can be done by disabling the "In-band Management Interface" setting in BIOS System Security settings.

iDRAC Service Module (iSM) 5.4 and older versions fail to upload SupportAssist collections back to Dell. A "handshake API" error occurs. This upload feature has been deprecated due to the receiving servers at Dell had been decommissioned.

Seagate Summit SAS/SATA drives report medium errors or sense key 3/11 on PowerEdge and PowerVault systems due to a firmware issue causing weak writes to a drive sector.

The Dell SS540 SAS solid state drive is reported as not correctly functioning.

PowerEdge: Broadcom NXE devices with Driver 229.2.73 (SWB: Y7T4X) may report that the interfaces are missing in the operating system when secure boot is enabled.

In some instances, the firmware update job may fail to initiate when performing a firmware update through available iDRAC interfaces.

In Windows Server 2025, when leveraging CPUs with more than 256 cores, the Broadcom BCM5720 fails to retrieve a DHCP address, leading to no network connectivity.

OpenManage Enterprise integration for VMware vCenter may fail to Unmanage hosts with error "UNMANAGE_REMOVE_MEL_FAILURE"

When a PS1010 or PS1030 NVMe SSD is installed, a PSOD may occur during production or gathering Operating System (OS) logs.

A stop during POST is possible after a customer changes Secure Boot Policy from either Standard or Custom to VMware Boot or Linux Boot.

This article describes the different type of controllers and the ways in which they should be reseated.

OpenManage Enterprise version 4.1 entitlements feature will no longer work after October 2024 due to the decommissioning of legacy OAUTH APIs. Also, the standalone Dell License Manager application is end-of-life.

Warning messages regarding "icen_SetRxQueueFilter" and "Failed to add cloud filter" in ESXi 8 VMware VMkernel log.

When editing a deployment template the 'Edit Components' screen is stuck with the 'Loading' animation. Also, when editing a compliance template the 'Template Details' screen is blank.

The article describes how to troubleshoot network connectivity issues for network cards.

Seagate Skybolt and SkyboltServoBP drive fails with medium format corrupted errors.

This article presents opportunities to understand and troubleshoot some common causes of fan noise in a PowerEdge server. It is also relevant for 100% fan speeds.

Dell has introduced significant updates to how PowerEdge servers manage coin-cell (CMOS) battery functionality and related event logging. Beginning with 14th Generation (14G) servers in August 2024 — through iDRAC and BIOS firmware updates — and extending to 15G and 16G platforms from February 2025 onward, several key changes have been implemented

Viewing the VLAN details of a deployment template's network settings list devices that are not associated to the template.

This article provides information about Fatal BUS errors seen with PCI1360 and PCI1318.

How to create Cluster Shared Volumes by manually calculating the necessary disk space value.

Dell Intel SATA SSD drives may report a not correctly functioning PDR3 event, potentially resulting in a drive failure condition.

Intel Chipset Driver Build '477GN' failed to upgrade from Build 'VGX10' on 15G System Models with Windows Defender Application (WDAC) in Enforced Mode.

This article describes how to view and clear the system event log (SEL) in System Setup.

This article describes how to find the iDRAC's current MAC address.

PowerEdge 14/15G servers cannot downgrade to iDRAC9 firmware versions 4.40.10.00 and older once the iDRAC9 has installed the June 2024 firmware release.

Observing frequent nmlx5_en_L2TableIndexAdd/Remove events generated by the Mellanox nmlx5 driver in the ESXi VMkernel log.

During the power counter roll-over for utilization, the power counter rolls over before the rollover counter. This leads to an erroneous power spike which may throttle the server.